Bitmain Antminer K7 (58Th) vs iBeLink N3 mini (1.3Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (58Th) | Specification | iBeLink N3 mini (1.3Th) |
|---|---|---|
| 58.0 TH/s | Hashrate | 1.3 TH/s |
| 2,813 W | Power Consumption | 185 W |
| 48.5 J/TH | Efficiency | 142.3 J/TH |
| — | Noise Level | — |
| 16.1 kg | Weight | 2.2 kg |
| 9,598 BTU/hr | BTU Output | 631 BTU/hr |
| 22/100 | Home Mining Score | 33/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer K7 (58Th)
iBeLink N3 mini (1.3Th)
Based on BTC price of $78,209 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer K7 (58Th) edges it: 2 of 4 factors go its way (efficiency, hashrate). Its biggest concrete edge: 4362% more hashrate (58.0 vs 1.3 TH/s). That said, the iBeLink N3 mini (1.3Th) isn't beaten everywhere — it still wins power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer K7 (58Th) and iBeLink N3 mini (1.3Th) sit on each measurable spec:
- Bitmain Antminer K7 (58Th) 4362% more hashrate (58.0 vs 1.3 TH/s)
- iBeLink N3 mini (1.3Th) 93% better power draw (2,813 vs 185 W)
- Bitmain Antminer K7 (58Th) 66% better efficiency (48.5 vs 142.3 J/TH)
- iBeLink N3 mini (1.3Th) 87% better weight (16.1 vs 2.2 kg)
- Bitmain Antminer K7 (58Th) 1421% more heat output (9,598 vs 631 BTU/hr)
- iBeLink N3 mini (1.3Th) 50% more home mining score (22.0 vs 33.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer K7 (58Th) | Metric | iBeLink N3 mini (1.3Th) |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | — |
| -$4.66 | Daily net profit | -$0.40 |
| -$3,562 | Net after 1 year | -$145 |
| -$5,265 | Net after 2 years | -$290 |
| -$6,967 | Net after 3 years | -$435 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
iBeLink N3 mini (1.3Th)Score: 33/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (58Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer K7 (58Th) or iBeLink N3 mini (1.3Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink N3 mini (1.3Th) is more profitable at $-0.40/day compared to $-4.66/day for the Bitmain Antminer K7 (58Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer K7 (58Th) or iBeLink N3 mini (1.3Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Bitmain Antminer K7 (58Th) or the iBeLink N3 mini (1.3Th)?
The iBeLink N3 mini (1.3Th) scores 33/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer K7 (58Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer K7 (58Th) vs iBeLink N3 mini (1.3Th): how much does the efficiency gap matter?
The Bitmain Antminer K7 (58Th) runs at 48.5 J/TH while the iBeLink N3 mini (1.3Th) runs at 142.3 J/TH — a difference of 93.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 66% better efficiency (48.5 vs 142.3 J/TH).